A collection of papyri named "Iandanae" in honor of the publishers Karl Reinhold Janda (d. 1869) and Johann Ferdiand Janda (d. 1888) originally kept at the University of Marburg, later transferred to the University of Giessen. cf. Archiv f. papyrusforschung, vol. VI, 1913, p. 292-8, 437-8 and preface to fasc. IV of this collection